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For a comprehensive list of xe commands and descriptions, see the XenServer Administrator's Guide.
1.2.3. XenServer Editions
The features available in XenServer depend on the edition. The four editions of XenServer are:
• Citrix XenServer (Free): Proven virtualization platform that delivers uncompromised performance, scale, and
flexibility at no cost.
• Citrix XenServer Advanced Edition: Key high availability and advanced management tools that take virtual
infrastructure to the next level.
• Citrix XenServer Enterprise Edition: Essential integration and optimization capabilities for production
deployments of virtual machines.
• Citrix XenServer Platinum Edition: Advanced automation and cloud computing features for enterprise-wide
virtual environments.
For more information about how the XenServer edition affects the features available, visit www.citrix.com/
xenserver.
1.3. New Features in XenServer 6.1.0
XenServer 6.1.0 includes a number of new features and ongoing improvements, including:
Storage XenMotion:
Storage XenMotion allows VMs to be moved from one host to another, where the VMs are not located on storage
shared between the two hosts. This enables system administrators to:
• Rebalance or move VMs between XenServer pools - for example promoting a VM from a development
environment to a production environment;
• Perform software maintenance - for example upgrading or updating standalone XenServer hosts without VM
downtime;
• Perform hardware maintenance - for example upgrading standalone XenServer host hardware without VM
downtime;
• Reduce deployment costs by using local storage.
For more information, refer to the XenServer 6.1.0 Virtual Machine User's Guide and the XenCenter online help.
Live VDI Migration:
Live VDI Migration allows the system administrator to relocate the VM's Virtual Disk Image (VDI) without shutting
down the VM. This enables system administrators to:
• Move a VM from cheap local storage to fast, resilient, array-backed storage;
• Move a VM from a development to a production environment;
• Move between tiers of storage when a VM is limited by storage capacity;
• Perform storage array upgrades.
Networking Enhancements
• Link Aggregation Control Protocol (LACP) support: enables the use of industry-standard network bonding
features to provide fault-tolerance and load balancing of network traffic.
• Source Load Balancing (SLB) improvements: allows up to 4 NICs to be used in an active-active bond. This
improves total network throughput and increases fault tolerance in the event of hardware failures. The SLB
rebalancing algorithm has been optimized to reduce load on switches in large deployments.
• Multi-Tenancy improvements: allows XenServer administrators to restrict a VM to sending and receiving traffic
on a specific MAC address and a number of IPv4 or IPv6 addresses without relying on VLANs and switch